For example, if this is a DB2 PTF that is not showing up, check that the @@DB2 member exists in 'sharedprefix.PSP.PC.TEXT'. If it does not, then create this member and add only one line that contains the following

00010000

After creating this new member, then run the receive PSP tables again from MWF 5;2;4;1.

Then access the 'Select Product Changes' panel again where the PSP should now display